potassium persulfate

potassium persulfate

[pə′tas·ē·əm pər′səl‚fāt]

(inorganic chemistry)

K2S2O8 White, water-soluble crystals, decomposing below 100°C; used for bleaching and textile desizing, as an oxidizing agent and antiseptic, and in the manufacture of soap and pharmaceuticals. Also known as potassium peroxydisulfate.

Thus, subsequent polymerization was conducted using potassium persulfate (PPS) as initiator to prepare polystyrene/montmorillonite core-shell particles via Pickering emulsion polymerization, where the styrene drops acted as a core and the montmorillonite nanoplatelets covering the drops surface as a shell (Fig.

In all cases, the total mass of the reacting medium was equal to 90 g, obtained after adding 30 g of an aqueous solution of potassium persulfate (initiator) to 60 g of an aqueous solution of the remaining reagents with the desired compositions.

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